77870685

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 128765952

約数和(自身を除く): 50895267

約数列:

[1, 3, 5, 15, 41, 123, 127, 205, 381, 615, 635, 997, 1905, 2991, 4985, 5207, 14955, 15621, 26035, 40877, 78105, 122631, 126619, 204385, 379857, 613155, 633095, 1899285, 5191379, 15574137, 25956895, 77870685]

約数ペア:

[(1, 77870685), (3, 25956895), (5, 15574137), (15, 5191379), (41, 1899285), (123, 633095), (127, 613155), (205, 379857), (381, 204385), (615, 126619), (635, 122631), (997, 78105), (1905, 40877), (2991, 26035), (4985, 15621), (5207, 14955)]